Refers to the period of darkness in each twenty-four hours; the time from sunset to sunrise.

Can denote a specific event or occurrence during the nighttime.

रात का समय

English Usage: The night of the concert was unforgettable.

Hindi Usage: कॉन्सर्ट की रात अविस्मरणीय थी।

A type of electromagnetic radiation with wavelengths longer than visible light, often used in various technologies.

इन्फ्रारेड

English Usage: The device uses infra-red to detect motion.

Hindi Usage: उपकरण गति का पता लगाने के लिए इन्फ्रारेड का उपयोग करता है।